Growth twins and deformation twins in metals
This article reviews recent basic research on two classes of twins: growth twins and
deformation twins. We focus primarily on studies that aim to understand, via experiments …
deformation twins. We focus primarily on studies that aim to understand, via experiments …
Disconnections and other defects associated with twin interfaces
The general topological model for interfacial defects is reviewed and expanded, and the role
of these defects in the coupled shear-migration of interfaces is explored. We focus on …
of these defects in the coupled shear-migration of interfaces is explored. We focus on …
Periodic segregation of solute atoms in fully coherent twin boundaries
The formability and mechanical properties of many engineering alloys are intimately related
to the formation and growth of twins. Understanding the structure and chemistry of twin …
to the formation and growth of twins. Understanding the structure and chemistry of twin …
Transitions in mechanical behavior and in deformation mechanisms enhance the strength and ductility of Mg-3Gd
Abstract Samples of Mg-3Gd (wt.%) were prepared by accumulative roll-bonding followed by
annealing at different temperatures to produce samples with average grain sizes ranging …
annealing at different temperatures to produce samples with average grain sizes ranging …
On the role of non-basal deformation mechanisms for the ductility of Mg and Mg–Y alloys
S Sandlöbes, S Zaefferer, I Schestakow, S Yi… - Acta Materialia, 2011 - Elsevier
Mg–Y alloys show significantly enhanced room temperature ductility compared to pure Mg
and other classical Mg wrought alloys. The presented study focuses on understanding the …
and other classical Mg wrought alloys. The presented study focuses on understanding the …
The relation between ductility and stacking fault energies in Mg and Mg–Y alloys
S Sandlöbes, M Friák, S Zaefferer, A Dick, S Yi… - Acta Materialia, 2012 - Elsevier
The underlying mechanisms that are responsible for the improved room-temperature
ductility in Mg–Y alloys compared to pure Mg are investigated by transmission electron …
ductility in Mg–Y alloys compared to pure Mg are investigated by transmission electron …
Hardening evolution of AZ31B Mg sheet
XY Lou, M Li, RK Boger, SR Agnew… - International Journal of …, 2007 - Elsevier
The monotonic and cyclic mechanical behavior of O-temper AZ31B Mg sheet was measured
in large-strain tension/compression and simple shear. Metallography, acoustic emission …
in large-strain tension/compression and simple shear. Metallography, acoustic emission …
Effective values of critical resolved shear stress for slip in polycrystalline magnesium and other hcp metals
WB Hutchinson, MR Barnett - Scripta Materialia, 2010 - Elsevier
Critical resolved shear stresses (CRSSs) for slip on different types of slip systems in single-
crystal hexagonal close-packed metals show very wide variations. Values derived from …
crystal hexagonal close-packed metals show very wide variations. Values derived from …
Ductility improvement of Mg alloys by solid solution: Ab initio modeling, synthesis and mechanical properties
The I 1 intrinsic stacking fault energy (I 1 SFE) serves as an alloy design parameter for
ductilizing Mg alloys. In view of this effect we have conducted quantum–mechanical …
ductilizing Mg alloys. In view of this effect we have conducted quantum–mechanical …
Rejuvenation of plasticity via deformation graining in magnesium
Magnesium, the lightest structural metal, usually exhibits limited ambient plasticity when
compressed along its crystallographic c-axis (the “hard” orientation of magnesium). Here we …
compressed along its crystallographic c-axis (the “hard” orientation of magnesium). Here we …